4,6-o-亚苄基-a-d-半乳糖吡喃糖苷甲酯

(2R,3S,4S)-2,3,4-tribenzyloxy-hex-5-ene-1-al di-n-propyl dithioacetal

methyl 2,3,4-tri-O-benzyl-6-O-(methylsulfonyl)-α-D-galactopyranoside